Study: Just One E-Cigarette with Nicotine Can Cause Heart Damage in Nonsmokers

Puffing just one e-cigarette with nicotine can cause damage to the heart of nonsmokers, a new study suggests.

The study included 33 healthy nonsmokers. On different days, participants used an e-cigarette with nicotine, an e-cigarette without nicotine or an empty device.

Researchers measured adrenaline levels in the heart.

They found participants had a pattern of abnormal heart rate variability, indicating increased adrenaline levels, after they used the e-cigarette with nicotine. They determined the increased levels were due to the inhaled nicotine and not the non-nicotine components of the e-cigarette aerosol, Newsweek reports.

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